src/animator/SkDisplayable.cpp - platform/external/skia - Git at Google

 /* libs/graphics/animator/SkDisplayable.cpp
 **
 ** Copyright 2006, The Android Open Source Project
 **
 ** Licensed under the Apache License, Version 2.0 (the "License");
 ** you may not use this file except in compliance with the License.
 ** You may obtain a copy of the License at
 **
 **     http://www.apache.org/licenses/LICENSE-2.0
 **
 ** Unless required by applicable law or agreed to in writing, software
 ** distributed under the License is distributed on an "AS IS" BASIS,
 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 ** See the License for the specific language governing permissions and
 ** limitations under the License.
 */

 #include "SkDisplayable.h"
 #include "SkDisplayApply.h"
 #include "SkParse.h"
 #ifdef SK_DEBUG
 #include "SkDisplayList.h"
 #endif
 #include "SkDisplayTypes.h"

 #ifdef SK_FIND_LEAKS
 // int SkDisplayable::fAllocationCount;
 SkTDDisplayableArray SkDisplayable::fAllocations;
 #endif

 #ifdef SK_DEBUG
 SkDisplayable::SkDisplayable() {
     id = _id.c_str();
 #ifdef SK_FIND_LEAKS
     // fAllocationCount++;
     *fAllocations.append() = this;
 #endif
 }
 #endif

 SkDisplayable::~SkDisplayable() {
 #ifdef SK_FIND_LEAKS
     //  fAllocationCount--;
     int index = fAllocations.find(this);
     SkASSERT(index >= 0);
     fAllocations.remove(index);
 #endif
 }

 bool SkDisplayable::add(SkAnimateMaker& , SkDisplayable* child) {
     return false;
 }

 //void SkDisplayable::apply(SkAnimateMaker& , const SkMemberInfo* ,
 //      SkDisplayable* , SkScalar [], int count) {
 //  SkASSERT(0);
 //}

 bool SkDisplayable::canContainDependents() const {
     return false;
 }

 bool SkDisplayable::childrenNeedDisposing() const {
     return false;
 }

 void SkDisplayable::clearBounder() {
 }

 bool SkDisplayable::contains(SkDisplayable* ) {
     return false;
 }

 SkDisplayable* SkDisplayable::contains(const SkString& ) {
     return NULL;
 }

 SkDisplayable* SkDisplayable::deepCopy(SkAnimateMaker* maker) {
     SkDisplayTypes type = getType();
     if (type == SkType_Unknown) {
         SkASSERT(0);
         return NULL;
     }
     SkDisplayable* copy = SkDisplayType::CreateInstance(maker, type);
     int index = -1;
     int propIndex = 0;
     const SkMemberInfo* info;
     do {
         info = copy->getMember(++index);
         if (info == NULL)
             break;
         if (info->fType == SkType_MemberProperty) {
             SkScriptValue value;
             if (getProperty(propIndex, &value))
                 copy->setProperty(propIndex, value);
             propIndex++;
             continue;
         }
         if (info->fType == SkType_MemberFunction)
             continue;
         if (info->fType == SkType_Array) {
             SkTDOperandArray* array = (SkTDOperandArray*) info->memberData(this);
             int arrayCount;
             if (array == NULL || (arrayCount = array->count()) == 0)
                 continue;
             SkTDOperandArray* copyArray = (SkTDOperandArray*) info->memberData(copy);
             copyArray->setCount(arrayCount);
             SkDisplayTypes elementType;
             if (type == SkType_Array) {
                 SkDisplayArray* dispArray = (SkDisplayArray*) this;
                 elementType = dispArray->values.getType();
             } else
                 elementType = info->arrayType();
             size_t elementSize = SkMemberInfo::GetSize(elementType);
             size_t byteSize = elementSize * arrayCount;
             memcpy(copyArray->begin(), array->begin(), byteSize);
             continue;
         }
         if (SkDisplayType::IsDisplayable(maker, info->fType)) {
             SkDisplayable** displayable = (SkDisplayable**) info->memberData(this);
             if (*displayable == NULL || *displayable == (SkDisplayable*) -1)
                 continue;
             SkDisplayable* deeper = (*displayable)->deepCopy(maker);
             info->setMemberData(copy, deeper, sizeof(deeper));
             continue;
         }
         if (info->fType == SkType_String || info->fType == SkType_DynamicString) {
             SkString* string;
             info->getString(this, &string);
             info->setString(copy, string);
             continue;
         }
         void* data = info->memberData(this);
         size_t size = SkMemberInfo::GetSize(info->fType);
         info->setMemberData(copy, data, size);
     } while (true);
     copy->dirty();
     return copy;
 }

 void SkDisplayable::dirty() {
 }

 #ifdef SK_DUMP_ENABLED
 void SkDisplayable::dump(SkAnimateMaker* maker) {
     dumpBase(maker);
 #if SK_USE_CONDENSED_INFO == 0
     this->dumpAttrs(maker);
     this->dumpChildren(maker);
 #endif
 }

 void SkDisplayable::dumpAttrs(SkAnimateMaker* maker) {
     SkDisplayTypes type = getType();
     if (type == SkType_Unknown) {
         //SkDebugf("/>\n");
         return;
     }
     SkDisplayable* blankCopy = SkDisplayType::CreateInstance(maker, type);

     int index = -1;
     int propIndex = 0;
     const SkMemberInfo* info;
     const SkMemberInfo* blankInfo;
     SkScriptValue value;
     SkScriptValue blankValue;
     SkOperand values[2];
     SkOperand blankValues[2];
     do {
         info = this->getMember(++index);
         if (NULL == info) {
             //SkDebugf("\n");
             break;
         }
         if (SkType_MemberProperty == info->fType) {
             if (getProperty(propIndex, &value)) {
                 blankCopy->getProperty(propIndex, &blankValue);
                 //last two are dummies
                 dumpValues(info, value.fType, value.fOperand, blankValue.fOperand, value.fOperand, blankValue.fOperand);
                 }

             propIndex++;
             continue;
         }
         if (SkDisplayType::IsDisplayable(maker, info->fType)) {
             continue;
         }

         if (info->fType == SkType_MemberFunction)
             continue;


         if (info->fType == SkType_Array) {
             SkTDOperandArray* array = (SkTDOperandArray*) info->memberData(this);
             int arrayCount;
             if (array == NULL || (arrayCount = array->count()) == 0)
                 continue;
             SkDisplayTypes elementType;
             if (type == SkType_Array) {
                 SkDisplayArray* dispArray = (SkDisplayArray*) this;
                 elementType = dispArray->values.getType();
             } else
                 elementType = info->arrayType();
             bool firstElem = true;
             SkDebugf("%s=\"[", info->fName);
             for (SkOperand* op = array->begin(); op < array->end(); op++) {
                 if (!firstElem) SkDebugf(",");
                 switch (elementType) {
                         case SkType_Displayable:
                             SkDebugf("%s", op->fDisplayable->id);
                             break;
                         case SkType_Int:
                             SkDebugf("%d", op->fS32);
                             break;
                         case SkType_Float:
 #ifdef SK_CAN_USE_FLOAT
                             SkDebugf("%g", SkScalarToFloat(op->fScalar));
 #else
                             SkDebugf("%x", op->fScalar);
 #endif
                             break;
                         case SkType_String:
                         case SkType_DynamicString:
                             SkDebugf("%s", op->fString->c_str());
                             break;
                         default:
                             break;
                 }
                 firstElem = false;
             }
             SkDebugf("]\" ");
             continue;
         }

         if (info->fType == SkType_String || info->fType == SkType_DynamicString) {
             SkString* string;
             info->getString(this, &string);
             if (string->isEmpty() == false)
                 SkDebugf("%s=\"%s\"\t", info->fName, string->c_str());
             continue;
         }


         blankInfo = blankCopy->getMember(index);
         int i = info->fCount;
         info->getValue(this, values, i);
         blankInfo->getValue(blankCopy, blankValues, i);
         dumpValues(info, info->fType, values[0], blankValues[0], values[1], blankValues[1]);
     } while (true);
     delete blankCopy;
 }

 void SkDisplayable::dumpBase(SkAnimateMaker* maker) {
     SkDisplayTypes type = getType();
     const char* elementName = "(unknown)";
     if (type != SkType_Unknown && type != SkType_Screenplay)
         elementName = SkDisplayType::GetName(maker, type);
     SkDebugf("%*s", SkDisplayList::fIndent, "");
     if (SkDisplayList::fDumpIndex != 0 && SkDisplayList::fIndent == 0)
         SkDebugf("%d: ", SkDisplayList::fDumpIndex);
     SkDebugf("<%s ", elementName);
     if (strcmp(id,"") != 0)
         SkDebugf("id=\"%s\" ", id);
 }

 void SkDisplayable::dumpChildren(SkAnimateMaker* maker, bool closedAngle) {

     int index = -1;
     const SkMemberInfo* info;
     index = -1;
     SkDisplayList::fIndent += 4;
     do {
         info = this->getMember(++index);
         if (NULL == info) {
             break;
         }
         if (SkDisplayType::IsDisplayable(maker, info->fType)) {
             SkDisplayable** displayable = (SkDisplayable**) info->memberData(this);
             if (*displayable == NULL || *displayable == (SkDisplayable*) -1)
                 continue;
             if (closedAngle == false) {
                 SkDebugf(">\n");
                 closedAngle = true;
             }
             (*displayable)->dump(maker);
         }
     } while (true);
     SkDisplayList::fIndent -= 4;
     if (closedAngle)
         dumpEnd(maker);
     else
         SkDebugf("/>\n");
 }

 void SkDisplayable::dumpEnd(SkAnimateMaker* maker) {
     SkDisplayTypes type = getType();
     const char* elementName = "(unknown)";
     if (type != SkType_Unknown && type != SkType_Screenplay)
         elementName = SkDisplayType::GetName(maker, type);
     SkDebugf("%*s", SkDisplayList::fIndent, "");
     SkDebugf("</%s>\n", elementName);
 }

 void SkDisplayable::dumpEvents() {
 }

 void SkDisplayable::dumpValues(const SkMemberInfo* info, SkDisplayTypes type, SkOperand op, SkOperand blankOp,
     SkOperand op2, SkOperand blankOp2) {
     switch (type) {
     case SkType_BitmapEncoding:
         switch (op.fS32) {
             case 0 : SkDebugf("type=\"jpeg\" ");
                 break;
             case 1 : SkDebugf("type=\"png\" ");
                 break;
             default: SkDebugf("type=\"UNDEFINED\" ");
         }
         break;
     //should make this a separate case in dump attrs, rather than make dump values have a larger signature
     case SkType_Point:
         if (op.fScalar != blankOp.fScalar || op2.fScalar != blankOp.fScalar) {
 #ifdef SK_CAN_USE_FLOAT
             SkDebugf("%s=\"[%g,%g]\" ", info->fName, SkScalarToFloat(op.fScalar), SkScalarToFloat(op2.fScalar));
 #else
             SkDebugf("%s=\"[%x,%x]\" ", info->fName, op.fScalar, op2.fScalar);
 #endif
         }
         break;
     case SkType_FromPathMode:
         switch (op.fS32) {
             case 0:
                 //don't want to print anything for 0, just adding it to remove it from default:
                 break;
             case 1:
                 SkDebugf("%s=\"%s\" ", info->fName, "angle");
                 break;
             case 2:
                 SkDebugf("%s=\"%s\" ", info->fName, "position");
                 break;
             default:
                 SkDebugf("%s=\"INVALID\" ", info->fName);
         }
         break;
     case SkType_MaskFilterBlurStyle:
         switch (op.fS32) {
             case 0:
                 break;
             case 1:
                 SkDebugf("%s=\"%s\" ", info->fName, "solid");
                 break;
             case 2:
                 SkDebugf("%s=\"%s\" ", info->fName, "outer");
                 break;
             case 3:
                 SkDebugf("%s=\"%s\" ", info->fName, "inner");
                 break;
             default:
                 SkDebugf("%s=\"INVALID\" ", info->fName);
         }
         break;
     case SkType_FilterType:
         if (op.fS32 == 1)
             SkDebugf("%s=\"%s\" ", info->fName, "bilinear");
         break;
     case SkType_PathDirection:
         SkDebugf("%s=\"%s\" ", info->fName, op.fS32 == 0 ? "cw" : "ccw");
         break;
     case SkType_FillType:
         SkDebugf("%s=\"%s\" ", info->fName, op.fS32 == 0 ? "winding" : "evenOdd");
         break;
     case SkType_TileMode:
         //correct to look at the S32?
         if (op.fS32 != blankOp.fS32)
             SkDebugf("%s=\"%s\" ", info->fName, op.fS32 == 0 ? "clamp" : op.fS32 == 1 ? "repeat" : "mirror");
         break;
     case SkType_Boolean:
         if (op.fS32 != blankOp.fS32)
             SkDebugf("%s=\"%s\" ", info->fName, op.fS32 == 0 ? "false" : "true");
         break;
     case SkType_Int:
         if (op.fS32 != blankOp.fS32)
             SkDebugf(" %s=\"%d\"  ", info->fName, op.fS32);
         break;
     case SkType_Float:
         if (op.fScalar != blankOp.fScalar) { //or /65536?
 #ifdef SK_CAN_USE_FLOAT
             SkDebugf("%s=\"%g\"  ", info->fName, SkScalarToFloat(op.fScalar));
 #else
             SkDebugf("%s=\"%x\"  ", info->fName, op.fScalar);
 #endif
         }
         break;
     case SkType_String:
     case SkType_DynamicString:
         if (op.fString->size() > 0)
             SkDebugf("%s=\"%s\" ", info->fName, op.fString->c_str());
         break;
     case SkType_MSec:
         if (op.fS32 != blankOp.fS32) {
 #ifdef SK_CAN_USE_FLOAT
             SkDebugf(" %s=\"%g\"  ", info->fName, SkScalarToFloat(SkScalarDiv(op.fS32, 1000)));
 #else
             SkDebugf(" %s=\"%x\"  ", info->fName, SkScalarDiv(op.fS32, 1000));
 #endif
         }
     default:
         SkDebugf("");
     }
 }

 #endif

 bool SkDisplayable::enable( SkAnimateMaker& ) {
     return false;
 }

 void SkDisplayable::enableBounder() {
 }

 void SkDisplayable::executeFunction(SkDisplayable* , int index,
         SkTDArray<SkScriptValue>& , SkDisplayTypes, SkScriptValue*  ) {
     SkASSERT(0);
 }

 void SkDisplayable::executeFunction(SkDisplayable* target,
         const SkMemberInfo* info, SkTypedArray* values, SkScriptValue* value) {
     SkTDArray<SkScriptValue> typedValues;
     for (SkOperand* op = values->begin(); op < values->end(); op++) {
         SkScriptValue temp;
         temp.fType = values->getType();
         temp.fOperand = *op;
         *typedValues.append() = temp;
     }
     executeFunction(target, info->functionIndex(), typedValues, info->getType(), value);
 }

 void SkDisplayable::executeFunction2(SkDisplayable* , int index,
         SkOpArray* params, SkDisplayTypes, SkOperand2*  ) {
     SkASSERT(0);
 }

 void SkDisplayable::getBounds(SkRect* rect) {
     SkASSERT(rect);
     rect->fLeft = rect->fTop = SK_ScalarMax;
     rect->fRight= rect->fBottom = -SK_ScalarMax;
 }

 const SkFunctionParamType* SkDisplayable::getFunctionsParameters() {
     return NULL;
 }

 const SkMemberInfo* SkDisplayable::getMember(int index) {
     return NULL;
 }

 const SkMemberInfo* SkDisplayable::getMember(const char name[]) {
     return NULL;
 }

 const SkFunctionParamType* SkDisplayable::getParameters(const SkMemberInfo* info,
         int* paramCount) {
     const SkFunctionParamType* params = getFunctionsParameters();
     SkASSERT(params != NULL);
     int funcIndex = info->functionIndex();
     // !!! eventually break traversing params into an external function (maybe this whole function)
     int index = funcIndex;
     int offset = 0;
     while (--index >= 0) {
         while (params[offset] != 0)
             offset++;
         offset++;
     }
     int count = 0;
     while (params[offset] != 0) {
         count++;
         offset++;
     }
     *paramCount = count;
     return &params[offset - count];
 }

 SkDisplayable* SkDisplayable::getParent() const {
     return NULL;
 }

 bool SkDisplayable::getProperty(int index, SkScriptValue* ) const {
 //  SkASSERT(0);
     return false;
 }

 bool SkDisplayable::getProperty2(int index, SkOperand2* value) const {
     SkASSERT(0);
     return false;
 }

 SkDisplayTypes SkDisplayable::getType() const {
     return SkType_Unknown;
 }

 bool SkDisplayable::hasEnable() const {
     return false;
 }

 bool SkDisplayable::isDrawable() const {
     return false;
 }

 void SkDisplayable::onEndElement(SkAnimateMaker& ) {}

 const SkMemberInfo* SkDisplayable::preferredChild(SkDisplayTypes type) {
     return NULL;
 }

 bool SkDisplayable::resolveIDs(SkAnimateMaker& maker, SkDisplayable* original, SkApply* apply) {
     return false;
 }

 //SkDisplayable* SkDisplayable::resolveTarget(SkAnimateMaker& ) {
 //  return this;
 //}

 void SkDisplayable::setChildHasID() {
 }

 bool SkDisplayable::setParent(SkDisplayable* ) {
     return false;
 }

 bool SkDisplayable::setProperty(int index, SkScriptValue& ) {
     //SkASSERT(0);
     return false;
 }

 void SkDisplayable::setReference(const SkMemberInfo* info, SkDisplayable* displayable) {
     if (info->fType == SkType_MemberProperty) {
         SkScriptValue scriptValue;
         scriptValue.fOperand.fDisplayable = displayable;
         scriptValue.fType = displayable->getType();
         setProperty(info->propertyIndex(), scriptValue);
     } else if (info->fType == SkType_Array) {
         SkASSERT(displayable->getType() == SkType_Array);
         SkDisplayArray* dispArray = (SkDisplayArray*) displayable;
         SkTDScalarArray* array = (SkTDScalarArray* ) info->memberData(this);
         array->setCount(dispArray->values.count());
         memcpy(array->begin(), dispArray->values.begin(), dispArray->values.count() * sizeof(int));
         //

         // !!! need a way for interpreter engine to own array
         // !!! probably need to replace all scriptable arrays with single bigger array
         // that has operand and type on every element -- or
         // when array is dirtied, need to get parent to reparse to local array
     } else {
         void* storage = info->memberData(this);
         memcpy(storage, &displayable, sizeof(SkDisplayable*));
     }
 // !!! unclear why displayable is dirtied here
 // if this is called, this breaks fromPath.xml
 //  displayable->dirty();
 }

 #ifdef SK_DEBUG
 void SkDisplayable::validate() {
 }
 #endif
	/* libs/graphics/animator/SkDisplayable.cpp
	**
	** Copyright 2006, The Android Open Source Project
	**
	** Licensed under the Apache License, Version 2.0 (the "License");
	** you may not use this file except in compliance with the License.
	** You may obtain a copy of the License at
	**
	** http://www.apache.org/licenses/LICENSE-2.0
	**
	** Unless required by applicable law or agreed to in writing, software
	** distributed under the License is distributed on an "AS IS" BASIS,
	** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	** See the License for the specific language governing permissions and
	** limitations under the License.
	*/

	#include "SkDisplayable.h"
	#include "SkDisplayApply.h"
	#include "SkParse.h"
	#ifdef SK_DEBUG
	#include "SkDisplayList.h"
	#endif
	#include "SkDisplayTypes.h"

	#ifdef SK_FIND_LEAKS
	// int SkDisplayable::fAllocationCount;
	SkTDDisplayableArray SkDisplayable::fAllocations;
	#endif

	#ifdef SK_DEBUG
	SkDisplayable::SkDisplayable() {
	id = _id.c_str();
	#ifdef SK_FIND_LEAKS
	// fAllocationCount++;
	*fAllocations.append() = this;
	#endif
	}
	#endif

	SkDisplayable::~SkDisplayable() {
	#ifdef SK_FIND_LEAKS
	// fAllocationCount--;
	int index = fAllocations.find(this);
	SkASSERT(index >= 0);
	fAllocations.remove(index);
	#endif
	}

	bool SkDisplayable::add(SkAnimateMaker& , SkDisplayable* child) {
	return false;
	}

	//void SkDisplayable::apply(SkAnimateMaker& , const SkMemberInfo* ,
	// SkDisplayable* , SkScalar [], int count) {
	// SkASSERT(0);
	//}

	bool SkDisplayable::canContainDependents() const {
	return false;
	}

	bool SkDisplayable::childrenNeedDisposing() const {
	return false;
	}

	void SkDisplayable::clearBounder() {
	}

	bool SkDisplayable::contains(SkDisplayable* ) {
	return false;
	}

	SkDisplayable* SkDisplayable::contains(const SkString& ) {
	return NULL;
	}

	SkDisplayable* SkDisplayable::deepCopy(SkAnimateMaker* maker) {
	SkDisplayTypes type = getType();
	if (type == SkType_Unknown) {
	SkASSERT(0);
	return NULL;
	}
	SkDisplayable* copy = SkDisplayType::CreateInstance(maker, type);
	int index = -1;
	int propIndex = 0;
	const SkMemberInfo* info;
	do {
	info = copy->getMember(++index);
	if (info == NULL)
	break;
	if (info->fType == SkType_MemberProperty) {
	SkScriptValue value;
	if (getProperty(propIndex, &value))
	copy->setProperty(propIndex, value);
	propIndex++;
	continue;
	}
	if (info->fType == SkType_MemberFunction)
	continue;
	if (info->fType == SkType_Array) {
	SkTDOperandArray* array = (SkTDOperandArray*) info->memberData(this);
	int arrayCount;
	if (array == NULL \|\| (arrayCount = array->count()) == 0)
	continue;
	SkTDOperandArray* copyArray = (SkTDOperandArray*) info->memberData(copy);
	copyArray->setCount(arrayCount);
	SkDisplayTypes elementType;
	if (type == SkType_Array) {
	SkDisplayArray* dispArray = (SkDisplayArray*) this;
	elementType = dispArray->values.getType();
	} else
	elementType = info->arrayType();
	size_t elementSize = SkMemberInfo::GetSize(elementType);
	size_t byteSize = elementSize * arrayCount;
	memcpy(copyArray->begin(), array->begin(), byteSize);
	continue;
	}
	if (SkDisplayType::IsDisplayable(maker, info->fType)) {
	SkDisplayable displayable = (SkDisplayable) info->memberData(this);
	if (displayable == NULL \|\| displayable == (SkDisplayable*) -1)
	continue;
	SkDisplayable* deeper = (*displayable)->deepCopy(maker);
	info->setMemberData(copy, deeper, sizeof(deeper));
	continue;
	}
	if (info->fType == SkType_String \|\| info->fType == SkType_DynamicString) {
	SkString* string;
	info->getString(this, &string);
	info->setString(copy, string);
	continue;
	}
	void* data = info->memberData(this);
	size_t size = SkMemberInfo::GetSize(info->fType);
	info->setMemberData(copy, data, size);
	} while (true);
	copy->dirty();
	return copy;
	}

	void SkDisplayable::dirty() {
	}

	#ifdef SK_DUMP_ENABLED
	void SkDisplayable::dump(SkAnimateMaker* maker) {
	dumpBase(maker);
	#if SK_USE_CONDENSED_INFO == 0
	this->dumpAttrs(maker);
	this->dumpChildren(maker);
	#endif
	}

	void SkDisplayable::dumpAttrs(SkAnimateMaker* maker) {
	SkDisplayTypes type = getType();
	if (type == SkType_Unknown) {
	//SkDebugf("/>\n");
	return;
	}
	SkDisplayable* blankCopy = SkDisplayType::CreateInstance(maker, type);

	int index = -1;
	int propIndex = 0;
	const SkMemberInfo* info;
	const SkMemberInfo* blankInfo;
	SkScriptValue value;
	SkScriptValue blankValue;
	SkOperand values[2];
	SkOperand blankValues[2];
	do {
	info = this->getMember(++index);
	if (NULL == info) {
	//SkDebugf("\n");
	break;
	}
	if (SkType_MemberProperty == info->fType) {
	if (getProperty(propIndex, &value)) {
	blankCopy->getProperty(propIndex, &blankValue);
	//last two are dummies
	dumpValues(info, value.fType, value.fOperand, blankValue.fOperand, value.fOperand, blankValue.fOperand);
	}

	propIndex++;
	continue;
	}
	if (SkDisplayType::IsDisplayable(maker, info->fType)) {
	continue;
	}

	if (info->fType == SkType_MemberFunction)
	continue;


	if (info->fType == SkType_Array) {
	SkTDOperandArray* array = (SkTDOperandArray*) info->memberData(this);
	int arrayCount;
	if (array == NULL \|\| (arrayCount = array->count()) == 0)
	continue;
	SkDisplayTypes elementType;
	if (type == SkType_Array) {
	SkDisplayArray* dispArray = (SkDisplayArray*) this;
	elementType = dispArray->values.getType();
	} else
	elementType = info->arrayType();
	bool firstElem = true;
	SkDebugf("%s=\"[", info->fName);
	for (SkOperand* op = array->begin(); op < array->end(); op++) {
	if (!firstElem) SkDebugf(",");
	switch (elementType) {
	case SkType_Displayable:
	SkDebugf("%s", op->fDisplayable->id);
	break;
	case SkType_Int:
	SkDebugf("%d", op->fS32);
	break;
	case SkType_Float:
	#ifdef SK_CAN_USE_FLOAT
	SkDebugf("%g", SkScalarToFloat(op->fScalar));
	#else
	SkDebugf("%x", op->fScalar);
	#endif
	break;
	case SkType_String:
	case SkType_DynamicString:
	SkDebugf("%s", op->fString->c_str());
	break;
	default:
	break;
	}
	firstElem = false;
	}
	SkDebugf("]\" ");
	continue;
	}

	if (info->fType == SkType_String \|\| info->fType == SkType_DynamicString) {
	SkString* string;
	info->getString(this, &string);
	if (string->isEmpty() == false)
	SkDebugf("%s=\"%s\"\t", info->fName, string->c_str());
	continue;
	}


	blankInfo = blankCopy->getMember(index);
	int i = info->fCount;
	info->getValue(this, values, i);
	blankInfo->getValue(blankCopy, blankValues, i);
	dumpValues(info, info->fType, values[0], blankValues[0], values[1], blankValues[1]);
	} while (true);
	delete blankCopy;
	}

	void SkDisplayable::dumpBase(SkAnimateMaker* maker) {
	SkDisplayTypes type = getType();
	const char* elementName = "(unknown)";
	if (type != SkType_Unknown && type != SkType_Screenplay)
	elementName = SkDisplayType::GetName(maker, type);
	SkDebugf("%*s", SkDisplayList::fIndent, "");
	if (SkDisplayList::fDumpIndex != 0 && SkDisplayList::fIndent == 0)
	SkDebugf("%d: ", SkDisplayList::fDumpIndex);
	SkDebugf("<%s ", elementName);
	if (strcmp(id,"") != 0)
	SkDebugf("id=\"%s\" ", id);
	}

	void SkDisplayable::dumpChildren(SkAnimateMaker* maker, bool closedAngle) {

	int index = -1;
	const SkMemberInfo* info;
	index = -1;
	SkDisplayList::fIndent += 4;
	do {
	info = this->getMember(++index);
	if (NULL == info) {
	break;
	}
	if (SkDisplayType::IsDisplayable(maker, info->fType)) {
	SkDisplayable displayable = (SkDisplayable) info->memberData(this);
	if (displayable == NULL \|\| displayable == (SkDisplayable*) -1)
	continue;
	if (closedAngle == false) {
	SkDebugf(">\n");
	closedAngle = true;
	}
	(*displayable)->dump(maker);
	}
	} while (true);
	SkDisplayList::fIndent -= 4;
	if (closedAngle)
	dumpEnd(maker);
	else
	SkDebugf("/>\n");
	}

	void SkDisplayable::dumpEnd(SkAnimateMaker* maker) {
	SkDisplayTypes type = getType();
	const char* elementName = "(unknown)";
	if (type != SkType_Unknown && type != SkType_Screenplay)
	elementName = SkDisplayType::GetName(maker, type);
	SkDebugf("%*s", SkDisplayList::fIndent, "");
	SkDebugf("</%s>\n", elementName);
	}

	void SkDisplayable::dumpEvents() {
	}

	void SkDisplayable::dumpValues(const SkMemberInfo* info, SkDisplayTypes type, SkOperand op, SkOperand blankOp,
	SkOperand op2, SkOperand blankOp2) {
	switch (type) {
	case SkType_BitmapEncoding:
	switch (op.fS32) {
	case 0 : SkDebugf("type=\"jpeg\" ");
	break;
	case 1 : SkDebugf("type=\"png\" ");
	break;
	default: SkDebugf("type=\"UNDEFINED\" ");
	}
	break;
	//should make this a separate case in dump attrs, rather than make dump values have a larger signature
	case SkType_Point:
	if (op.fScalar != blankOp.fScalar \|\| op2.fScalar != blankOp.fScalar) {
	#ifdef SK_CAN_USE_FLOAT
	SkDebugf("%s=\"[%g,%g]\" ", info->fName, SkScalarToFloat(op.fScalar), SkScalarToFloat(op2.fScalar));
	#else
	SkDebugf("%s=\"[%x,%x]\" ", info->fName, op.fScalar, op2.fScalar);
	#endif
	}
	break;
	case SkType_FromPathMode:
	switch (op.fS32) {
	case 0:
	//don't want to print anything for 0, just adding it to remove it from default:
	break;
	case 1:
	SkDebugf("%s=\"%s\" ", info->fName, "angle");
	break;
	case 2:
	SkDebugf("%s=\"%s\" ", info->fName, "position");
	break;
	default:
	SkDebugf("%s=\"INVALID\" ", info->fName);
	}
	break;
	case SkType_MaskFilterBlurStyle:
	switch (op.fS32) {
	case 0:
	break;
	case 1:
	SkDebugf("%s=\"%s\" ", info->fName, "solid");
	break;
	case 2:
	SkDebugf("%s=\"%s\" ", info->fName, "outer");
	break;
	case 3:
	SkDebugf("%s=\"%s\" ", info->fName, "inner");
	break;
	default:
	SkDebugf("%s=\"INVALID\" ", info->fName);
	}
	break;
	case SkType_FilterType:
	if (op.fS32 == 1)
	SkDebugf("%s=\"%s\" ", info->fName, "bilinear");
	break;
	case SkType_PathDirection:
	SkDebugf("%s=\"%s\" ", info->fName, op.fS32 == 0 ? "cw" : "ccw");
	break;
	case SkType_FillType:
	SkDebugf("%s=\"%s\" ", info->fName, op.fS32 == 0 ? "winding" : "evenOdd");
	break;
	case SkType_TileMode:
	//correct to look at the S32?
	if (op.fS32 != blankOp.fS32)
	SkDebugf("%s=\"%s\" ", info->fName, op.fS32 == 0 ? "clamp" : op.fS32 == 1 ? "repeat" : "mirror");
	break;
	case SkType_Boolean:
	if (op.fS32 != blankOp.fS32)
	SkDebugf("%s=\"%s\" ", info->fName, op.fS32 == 0 ? "false" : "true");
	break;
	case SkType_Int:
	if (op.fS32 != blankOp.fS32)
	SkDebugf(" %s=\"%d\" ", info->fName, op.fS32);
	break;
	case SkType_Float:
	if (op.fScalar != blankOp.fScalar) { //or /65536?
	#ifdef SK_CAN_USE_FLOAT
	SkDebugf("%s=\"%g\" ", info->fName, SkScalarToFloat(op.fScalar));
	#else
	SkDebugf("%s=\"%x\" ", info->fName, op.fScalar);
	#endif
	}
	break;
	case SkType_String:
	case SkType_DynamicString:
	if (op.fString->size() > 0)
	SkDebugf("%s=\"%s\" ", info->fName, op.fString->c_str());
	break;
	case SkType_MSec:
	if (op.fS32 != blankOp.fS32) {
	#ifdef SK_CAN_USE_FLOAT
	SkDebugf(" %s=\"%g\" ", info->fName, SkScalarToFloat(SkScalarDiv(op.fS32, 1000)));
	#else
	SkDebugf(" %s=\"%x\" ", info->fName, SkScalarDiv(op.fS32, 1000));
	#endif
	}
	default:
	SkDebugf("");
	}
	}

	#endif

	bool SkDisplayable::enable( SkAnimateMaker& ) {
	return false;
	}

	void SkDisplayable::enableBounder() {
	}

	void SkDisplayable::executeFunction(SkDisplayable* , int index,
	SkTDArray<SkScriptValue>& , SkDisplayTypes, SkScriptValue* ) {
	SkASSERT(0);
	}

	void SkDisplayable::executeFunction(SkDisplayable* target,
	const SkMemberInfo* info, SkTypedArray* values, SkScriptValue* value) {
	SkTDArray<SkScriptValue> typedValues;
	for (SkOperand* op = values->begin(); op < values->end(); op++) {
	SkScriptValue temp;
	temp.fType = values->getType();
	temp.fOperand = *op;
	*typedValues.append() = temp;
	}
	executeFunction(target, info->functionIndex(), typedValues, info->getType(), value);
	}

	void SkDisplayable::executeFunction2(SkDisplayable* , int index,
	SkOpArray* params, SkDisplayTypes, SkOperand2* ) {
	SkASSERT(0);
	}

	void SkDisplayable::getBounds(SkRect* rect) {
	SkASSERT(rect);
	rect->fLeft = rect->fTop = SK_ScalarMax;
	rect->fRight= rect->fBottom = -SK_ScalarMax;
	}

	const SkFunctionParamType* SkDisplayable::getFunctionsParameters() {
	return NULL;
	}

	const SkMemberInfo* SkDisplayable::getMember(int index) {
	return NULL;
	}

	const SkMemberInfo* SkDisplayable::getMember(const char name[]) {
	return NULL;
	}

	const SkFunctionParamType* SkDisplayable::getParameters(const SkMemberInfo* info,
	int* paramCount) {
	const SkFunctionParamType* params = getFunctionsParameters();
	SkASSERT(params != NULL);
	int funcIndex = info->functionIndex();
	// !!! eventually break traversing params into an external function (maybe this whole function)
	int index = funcIndex;
	int offset = 0;
	while (--index >= 0) {
	while (params[offset] != 0)
	offset++;
	offset++;
	}
	int count = 0;
	while (params[offset] != 0) {
	count++;
	offset++;
	}
	*paramCount = count;
	return &params[offset - count];
	}

	SkDisplayable* SkDisplayable::getParent() const {
	return NULL;
	}

	bool SkDisplayable::getProperty(int index, SkScriptValue* ) const {
	// SkASSERT(0);
	return false;
	}

	bool SkDisplayable::getProperty2(int index, SkOperand2* value) const {
	SkASSERT(0);
	return false;
	}

	SkDisplayTypes SkDisplayable::getType() const {
	return SkType_Unknown;
	}

	bool SkDisplayable::hasEnable() const {
	return false;
	}

	bool SkDisplayable::isDrawable() const {
	return false;
	}

	void SkDisplayable::onEndElement(SkAnimateMaker& ) {}

	const SkMemberInfo* SkDisplayable::preferredChild(SkDisplayTypes type) {
	return NULL;
	}

	bool SkDisplayable::resolveIDs(SkAnimateMaker& maker, SkDisplayable* original, SkApply* apply) {
	return false;
	}

	//SkDisplayable* SkDisplayable::resolveTarget(SkAnimateMaker& ) {
	// return this;
	//}

	void SkDisplayable::setChildHasID() {
	}

	bool SkDisplayable::setParent(SkDisplayable* ) {
	return false;
	}

	bool SkDisplayable::setProperty(int index, SkScriptValue& ) {
	//SkASSERT(0);
	return false;
	}

	void SkDisplayable::setReference(const SkMemberInfo* info, SkDisplayable* displayable) {
	if (info->fType == SkType_MemberProperty) {
	SkScriptValue scriptValue;
	scriptValue.fOperand.fDisplayable = displayable;
	scriptValue.fType = displayable->getType();
	setProperty(info->propertyIndex(), scriptValue);
	} else if (info->fType == SkType_Array) {
	SkASSERT(displayable->getType() == SkType_Array);
	SkDisplayArray* dispArray = (SkDisplayArray*) displayable;
	SkTDScalarArray* array = (SkTDScalarArray* ) info->memberData(this);
	array->setCount(dispArray->values.count());
	memcpy(array->begin(), dispArray->values.begin(), dispArray->values.count() * sizeof(int));
	//

	// !!! need a way for interpreter engine to own array
	// !!! probably need to replace all scriptable arrays with single bigger array
	// that has operand and type on every element -- or
	// when array is dirtied, need to get parent to reparse to local array
	} else {
	void* storage = info->memberData(this);
	memcpy(storage, &displayable, sizeof(SkDisplayable*));
	}
	// !!! unclear why displayable is dirtied here
	// if this is called, this breaks fromPath.xml
	// displayable->dirty();
	}

	#ifdef SK_DEBUG
	void SkDisplayable::validate() {
	}
	#endif